What's the difference between billow and roll?

Billow


Definition:

  • (n.) A great wave or surge of the sea or other water, caused usually by violent wind.
  • (n.) A great wave or flood of anything.
  • (v. i.) To surge; to rise and roll in waves or surges; to undulate.

Example Sentences:

  • (1) On Wednesday, fires raged and smoke billowed from the central offices of the Guerrero state government.
  • (2) Though the specific billowing mitral leaflet syndrome almost certainly accounts for some of these auscultatory findings, a significant proportion may have early rheumatic heart disease.
  • (3) Updated at 10.40pm BST 9.12pm BST In this handout photo provided by the USGS, A satellite view shows smoke billowing from the Baiji North refinery complex on June 18, 2014 in Baiji, about 130 miles north of Baghdad.
  • (4) Flames could be seen through the scorched windows and billowing out of the roof of the sandstone building on the corner of Renfrew Street and Scott Street.
  • (5) In the Yellow Wall southern terrace the flags billowed.
  • (6) To assess the contributions of mitral leaflet billowing and exaggerated systolic mitral anular expansion to posterior motion of mitral leaflets recognized as mitral valve prolapse (MVP) by M-mode echocardiography, time-motion reconstructions of the anteroposterior displacement of points equally spaced along the anterior and posterior mitral leaflets were derived by computer-assisted analysis of 2-dimensional echocardiograms.
  • (7) Smoke billows into the air as a firefighter douses the fire at the Glasgow School of Art's Charles Rennie Mackintosh building.
  • (8) Billowing clouds suggest a cold, windy front moving across the desert, perhaps a haboob (intense dust storm).
  • (9) Podolski's first touch isn't great, taking him wide left at a tight angle, but the striker toks the ball between James' legs and sends the inside of the right-hand side netting billowing.
  • (10) The sound of explosions continued for several minutes, and black smoke billowed into the morning sky.
  • (11) Last decade, he was hired by the once-venerable Corcoran Gallery, Washington’s oldest private museum, to design a $200m expansion that featured his signature billowing titanium walls and a mix of traditional and curving galleries.
  • (12) It is Greece's summer ritual: the arrival of the island ferry, funnels billowing, horns blaring, gangplanks screeching as wide-eyed tourists prepare to disembark.
  • (13) He’s only got Mignolet to beat, and fires a low, hard shot which nine times out of ten would billow the net in its centre.
  • (14) The data are compatible with the hypothesis that the aging process is associated with decreased mobility of the mitral valve or annulus with lesser degrees of backward bowing or billowing of the leaflets during systole.
  • (15) My son came up from the cabin saying he could smell smoke as black clouds billowed out of the stern hull.
  • (16) Fighters streamed forward from close to the hospital and fanned out into a series of extensive apartment houses, one of them billowing black smoke.
  • (17) Billowing occurred on the first systolic frame in 8 of 28 Marfan-MVP patients, in whom posterior leaflet chordae arose abnormally from the posterior ventricular wall, and in no other subjects.
  • (18) Flames and billowing black smoke could still be seen long after the 73-car train had derailed, and a fire chief likened the charred scene to a war zone.
  • (19) Below him pipes of natural gas pump flames into the stack, lighting a fire that will burn day and night for 17 days to bake the bricks at 1080 degrees Celsius, sending the stench of sulphur into the air in billows of steam.
  • (20) To test the hypothesis that mitral valve prolapse may be due either to billowing of mitral leaflets into the left atrium or to dynamic expansion of the mitral anulus, mitral leaflet and annular dimensions and motion were measured by computer-assisted two-dimensional echocardiography in 35 normal adults and 48 subjects with auscultatory and M-mode echocardiographic evidence of mitral prolapse.

Roll


Definition:

  • (n.) To cause to revolve by turning over and over; to move by turning on an axis; to impel forward by causing to turn over and over on a supporting surface; as, to roll a wheel, a ball, or a barrel.
  • (n.) To wrap round on itself; to form into a spherical or cylindrical body by causing to turn over and over; as, to roll a sheet of paper; to roll parchment; to roll clay or putty into a ball.
  • (n.) To bind or involve by winding, as in a bandage; to inwrap; -- often with up; as, to roll up a parcel.
  • (n.) To drive or impel forward with an easy motion, as of rolling; as, a river rolls its waters to the ocean.
  • (n.) To utter copiously, esp. with sounding words; to utter with a deep sound; -- often with forth, or out; as, to roll forth some one's praises; to roll out sentences.
  • (n.) To press or level with a roller; to spread or form with a roll, roller, or rollers; as, to roll a field; to roll paste; to roll steel rails, etc.
  • (n.) To move, or cause to be moved, upon, or by means of, rollers or small wheels.
  • (n.) To beat with rapid, continuous strokes, as a drum; to sound a roll upon.
  • (n.) To apply (one line or surface) to another without slipping; to bring all the parts of (one line or surface) into successive contact with another, in suck manner that at every instant the parts that have been in contact are equal.
  • (n.) To turn over in one's mind; to revolve.
  • (v. i.) To move, as a curved object may, along a surface by rotation without sliding; to revolve upon an axis; to turn over and over; as, a ball or wheel rolls on the earth; a body rolls on an inclined plane.
  • (v. i.) To move on wheels; as, the carriage rolls along the street.
  • (v. i.) To be wound or formed into a cylinder or ball; as, the cloth rolls unevenly; the snow rolls well.
  • (v. i.) To fall or tumble; -- with over; as, a stream rolls over a precipice.
  • (v. i.) To perform a periodical revolution; to move onward as with a revolution; as, the rolling year; ages roll away.
  • (v. i.) To turn; to move circularly.
  • (v. i.) To move, as waves or billows, with alternate swell and depression.
  • (v. i.) To incline first to one side, then to the other; to rock; as, there is a great difference in ships about rolling; in a general semse, to be tossed about.
  • (v. i.) To turn over, or from side to side, while lying down; to wallow; as, a horse rolls.
  • (v. i.) To spread under a roller or rolling-pin; as, the paste rolls well.
  • (v. i.) To beat a drum with strokes so rapid that they can scarcely be distinguished by the ear.
  • (v. i.) To make a loud or heavy rumbling noise; as, the thunder rolls.
  • (v.) The act of rolling, or state of being rolled; as, the roll of a ball; the roll of waves.
  • (v.) That which rolls; a roller.
  • (v.) A heavy cylinder used to break clods.
  • (v.) One of a set of revolving cylinders, or rollers, between which metal is pressed, formed, or smoothed, as in a rolling mill; as, to pass rails through the rolls.
  • (v.) That which is rolled up; as, a roll of fat, of wool, paper, cloth, etc.
  • (v.) A document written on a piece of parchment, paper, or other materials which may be rolled up; a scroll.
  • (v.) Hence, an official or public document; a register; a record; also, a catalogue; a list.
  • (v.) A quantity of cloth wound into a cylindrical form; as, a roll of carpeting; a roll of ribbon.
  • (v.) A cylindrical twist of tobacco.
  • (v.) A kind of shortened raised biscuit or bread, often rolled or doubled upon itself.
  • (v.) The oscillating movement of a vessel from side to side, in sea way, as distinguished from the alternate rise and fall of bow and stern called pitching.
  • (v.) A heavy, reverberatory sound; as, the roll of cannon, or of thunder.
  • (v.) The uniform beating of a drum with strokes so rapid as scarcely to be distinguished by the ear.
  • (v.) Part; office; duty; role.

Example Sentences:

  • (1) The adaptive filter processor was tested for retrospective identification of artifacts in 20 male volunteers who performed the following specific movements between epochs of quiet, supine breathing: raising arms and legs (slowly, quickly, once, and several times), sitting up, breathing deeply and rapidly, and rolling from a supine to a lateral decubitus position.
  • (2) More evil than Clocky , the alarm clock that rolls away when you reach out to silence it, or the Puzzle Alarm , which makes you complete a simple puzzle before it'll go quiet, the Money Shredding Alarm Clock methodically destroys your cash unless you rouse yourself.
  • (3) Speaking to pro-market thinktank Reform, Milburn called for “more competition” and said the shadow health team were making a “fundamental political misjudgment” by attempting to roll back policies he had overseen.
  • (4) Light microscopic histochemical procedures and morphological assessments were performed on sections of "Swiss rolls" of small and large intestine.
  • (5) Neither assertion was strictly accurate, but Obama was on a rhetorical roll.
  • (6) Under pressure from many backbenchers, he has tightened planning controls on windfarms and pledged to "roll back" green subsidies on bills, leading to fears of dwindling support for the renewables industry.
  • (7) Rolling-circle replicating structures which represent late stage lambda DNA replication can be detected among intracellular phage lambda DNA molecules under recombination deficient conditions as well as in wild-type infections.
  • (8) If this is the only issue, flight would be fine, but need to make sure that it isn’t symptomatic of a more significant upstream root cause.” Elon Musk (@elonmusk) Btw, 99% likely to be fine (closed loop TVC wd overcome error), but that 1% chance isn't worth rolling the dice.
  • (9) If such a system were rolled out nationally, central government could escape political pressure to ringfence NHS funding.
  • (10) It was also chided for failing to roll out a 2011 pilot scheme to put doors on fridges in its stores.
  • (11) I’ve warned Dave before to mind his ps and qs when the cameras are rolling, but the problem is you can never tell when the microphones are switched on.
  • (12) A commercial medical writing company is employed by a drug company to produce papers that can be rolled out in academic journals to build a brand message.
  • (13) Roll-up man 3.50pm GMT Thank you to Tom Skinner for this educational and informative video .
  • (14) flexion, stretch, rolling, startle, jumping (stepping), and writhing.
  • (15) The first problem facing Calderdale is sheep-rustling Happy Valley – filmed around Hebden Bridge, with its beautiful stone houses straight off the pages of the Guardian’s Lets Move To – may be filled with rolling hills and verdant pastures, but the reality of rural issues are harsh.
  • (16) In earlier studies with the SV40-transformed hamster cell line Elona two different types of DNA amplification could be identified: (i) Bidirectional overreplication of chromosomally integrated SV40 DNA expanding into the flanking cellular sequences ("onion skin" type) and (ii) highly efficient synthesis of extremely large head-to-tail concatemers containing exclusively SV40 DNA ("rolling circle" type).
  • (17) Trousers were cropped or rolled at the ankle, a styling trick that is emerging as a trend across the shows.
  • (18) During powder compaction on a Manesty Betapress, peak pressures, Pmax, are reached before the punches are vertically aligned with the centres of the upper and lower compression roll support pins.
  • (19) In 1995, Bill Gates, founder and CEO at Microsoft, reportedly paid The Rolling Stones $3m (£1.9m) for the rights to use Start Me Up to launch Windows 95.
  • (20) During flexion the lateral femoral condyle displays near extension pure rolling, near flexion pure gliding, on the medial side this ratio is vice versa.